Home / 21,569.76-32,354.64-5,987.36

Finding the Fourth Proportional to 21,569.76, 32,354.64 and 5,987.36

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Solution

The fourth proportional to 21,569.76, 32,354.64 and 5,987.36 is: 8,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.76 : 32,354.64 = 5,987.36 : x
  2. Step 2: Convert to fraction form
    21,569.76/32,354.64 = 5,987.36/x
  3. Step 3: Cross multiply
    21,569.76x = 32,354.64 × 5,987.36
  4. Step 4: Simplify right side
    21,569.76x = 193,718,877.35
  5. Step 5: Solve for x
    x = 193,718,877.35/21,569.76
  6. Step 6: Final answer
    x = 8,981.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.